| Range Sum Query - Immutable |
Easy
|
amazon
bloomberg
facebook
goldman-sachs
google
microsoft
palantir-technologies
|
|
| Contains Duplicate 2 - within k distance |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
google
microsoft
palantir-technologies
|
|
| Contains Duplicate 3 - within k distance and t difference |
Hard
|
adobe
airbnb
apple
google
microsoft
palantir-technologies
|
|
| Maximum Size Subarray Sum equals K |
Medium
|
amazon
facebook
google
microsoft
palantir-technologies
|
|
| Rotate n x n matrix by 90 degrees |
Medium
|
adobe
akuna-capital
amazon
apple
bloomberg
cisco
facebook
google
groupon
houzz
lyft
microsoft
nvidia
palantir
palantir-technologies
quora
salesforce
uber
wish
yandex
|
|
| Max Area of Island Problem |
Medium
|
adobe
affirm
amazon
apple
bloomberg
bytedance
cruise-automation
doordash
facebook
google
intuit
mathworks
microsoft
oracle
palantir-technologies
qualtrics
twitch
uber
wish
zillow
|
|
| Maximum Subarray Sum |
Medium
|
adobe
alibaba
amazon
apple
asana
atlassian
bloomberg
bytedance
capital-one
cisco
citadel
ebay
expedia
facebook
goldman-sachs
google
ibm
intel
jpmorgan
linkedin
microsoft
morgan-stanley
nvidia
oracle
palantir-technologies
paypal
qualcomm
salesforce
sap
two-sigma
uber
visa
wayfair
yahoo
zillow
|
|
| Minimum Time Difference Problem |
Medium
|
amazon
palantir-technologies
|
|
| Find the Celebrity Problem |
Medium
|
amazon
apple
facebook
google
linkedin
microsoft
palantir-technologies
pinterest
square
uber
vmware
|
|
| Inorder Successor in Binary Search Tree |
Medium
|
amazon
bloomberg
citadel
facebook
google
microsoft
palantir-technologies
pocket-gems
quip
zillow
|
|
| Contains Duplicate 1 - Check if array has duplicates |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
facebook
microsoft
oracle
palantir-technologies
yahoo
|
|
| Flood Fill Problem |
Easy
|
amazon
apple
bloomberg
facebook
google
microsoft
palantir-technologies
qualtrics
snapchat
uber
vmware
|
|
| Number of Islands |
Medium
|
adobe
affirm
alibaba
amazon
appdynamics
apple
arista-networks
atlassian
audible
blackrock
bloomberg
bytedance
cisco
citadel
citrix
cohesity
cruise-automation
doordash
ebay
electronic-arts
evernote
expedia
facebook
godaddy
goldman-sachs
google
houzz
hulu
jpmorgan
linkedin
liveramp
lyft
mathworks
microsoft
nutanix
nvidia
oracle
palantir-technologies
paypal
qualtrics
roblox
salesforce
servicenow
snapchat
splunk
spotify
square
sumologic
tableau
twitch
twitter
uber
visa
vmware
wish
yahoo
zenefits
zulily
|
|
| Merge Overlapping Intervals |
Medium
|
adobe
alibaba
amazon
apple
atlassian
bloomberg
bytedance
cisco
cohesity
coupang
cruise-automation
dataminr
doordash
ebay
facebook
godaddy
goldman-sachs
google
intuit
linkedin
microsoft
netflix
oracle
palantir-technologies
paypal
pinterest
postmates
salesforce
sap
servicenow
snapchat
sumologic
tencent
twitch
twitter
two-sigma
uber
visa
vmware
wayfair
wish
yahoo
yandex
yelp
zulily
|
|
| Trapping Rain Water |
Hard
|
adobe
affirm
airbnb
amazon
apple
audible
bloomberg
bytedance
citadel
databricks
dataminr
ebay
electronic-arts
facebook
flipkart
goldman-sachs
google
grab
huawei
lyft
microsoft
nvidia
oracle
palantir-technologies
qualtrics
salesforce
servicenow
snapchat
tableau
twitter
uber
visa
wish
yahoo
yandex
zenefits
|
|
| Design LRU Cache |
Medium
|
adobe
alibaba
amazon
apple
asana
baidu
bloomberg
bytedance
cisco
citadel
cloudera
cruise-automation
docusign
doordash
dropbox
ebay
expedia
facebook
godaddy
goldman-sachs
google
groupon
hbo
intuit
jpmorgan
linkedin
lyft
microsoft
morgan-stanley
nutanix
nvidia
oracle
palantir-technologies
paypal
pinterest
roblox
salesforce
sap
snapchat
splunk
spotify
tesla
tripadvisor
twilio
twitch
twitter
two-sigma
uber
visa
vmware
wish
yahoo
yandex
zenefits
zillow
|
|
| Single Number 1 - All elements except one occur twice |
Easy
|
adobe
airbnb
amazon
apple
atlassian
bloomberg
facebook
google
microsoft
oracle
palantir-technologies
tencent
|
|
| Regular Expression Matching Problem |
Hard
|
adobe
airbnb
alibaba
amazon
apple
bloomberg
bytedance
coursera
databricks
ebay
facebook
flipkart
google
houzz
lyft
microsoft
oracle
palantir-technologies
pocket-gems
twitter
uber
zulily
|
|
| UTF-8 Validation |
Medium
|
amazon
apple
facebook
google
palantir-technologies
|
|
| Integer to English Words Problem |
Hard
|
amazon
apple
barclays
bloomberg
capital-one
citrix
facebook
google
jpmorgan
linkedin
microsoft
nutanix
oracle
palantir-technologies
paypal
sap
splunk
square
tableau
tesla
uber
visa
yahoo
yelp
zillow
|
|